<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>index</title>
</head>
<body>
	this is index.html <br/>
	<p>食物品种：</p><br />
<volist name="food" id="item">
	<p>{$item['vegetables']}</p>
	<volist name="item['fruits']" id="vo" key="k">
		<p>数组key：{$key}</p>
		<p>{$k}</p>
		<p>{$vo['fruits1']}</p>
		<p>{$vo['fruits2']}</p>
		<p>{$vo['fruits3']}</p>
	</volist>
</volist>

<present name="username">username 变量已经赋值<else />username 变量还没有赋值</present>
</body>
</html>